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Abstract #3960

Extended multi-shell diffusion acceleration with Gaussian processes estimated reconstruction (ems-DAGER)

Xinyu Ye1, Karla Miller1, and Wenchuan Wu1
1Wellcome Centre for Integrative Neuroimaging, FMRIB, Nuffield Department of Clinical Neurosciences, University of Oxford, UK, Oxford, United Kingdom

Synopsis

Keywords: Image Reconstruction, Diffusion/other diffusion imaging techniques, Signal modellingDiffusion-weighted MRI suffers from relatively long acquisition time, especially for high spatial- resolution and/or high angular- resolution acquisitions. Thus, methods to increase the acquisition speed are urgently needed. Recently, increasing attention has been paid to utilize the relations between k- and q-space points for further acceleration. Here, we extend the Diffusion Acceleration with Gaussian process Estimated Reconstruction (DAGER) to leverage shared information in multi-shell acquisitions and incorporate eddy-induced distortion correction.

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